mc68hc912dg128 Freescale Semiconductor, Inc, mc68hc912dg128 Datasheet - Page 333

• Manufacturer Part Number: mc68hc912dg128
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

17.12.1 Message Buffer Outline
MC68HC912DG128 — Rev 3.0
MOTOROLA
NOTE:
Figure 17-12
transmit buffers for extended identifiers. The mapping of standard
identifiers into the IDR registers is shown in
13 byte data structure are undefined out of reset.
The foreground receive buffer can be read anytime but cannot be
written. The transmit buffers can be read or written anytime.
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Figure 17-11. Message Buffer Organization
shows the common 13 byte data structure of receive and
Address
1. x is 4, 5, 6, or 7 depending on which buffer RxFG,
2. Not applicable for receive buffers
MSCAN Controller
01xA
01xB
01xC
01xD
01xE
01x1
01x2
01x3
01x4
01x5
01x6
01x7
01x8
01x9
01xF
01x0
Tx0, Tx1, or Tx2 respectively.
(1)
Transmit buffer priority register
Data segment register 0
Data segment register 1
Data segment register 2
Data segment register 3
Data segment register 4
Data segment register 5
Data segment register 6
Data segment register 7
Data length register
Identifier register 1
Identifier register 2
Identifier register 3
Identifier register 0
Register name
Programmer’s Model of Message Storage
Unused
Unused
Figure
17-13. All bits of the
(2)
MSCAN Controller
Technical Data
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